The Unix or GNU/Linux
‘apropos’ command is similar to AproposMode, but it shows a list of Unix or GNU/Linux manual (
‘man’) pages (see ManMode) matching the search instead of functions and variables. Library
sys-apropos.el is a simple Emacs interface for this command.
In the 2002 version
sys-apropos-line-regexp is a bit too tight and you may find some pages not displayed, including Perl modules, pages with “.” dots, and alphanumeric sections like “(3ncurses)”. Here’s a more relaxed setting which should catch everything
(setq sys-apropos-line-regexp "^\\([^ \t]+?\\)[ \t]*(\\([0-9].*?\\))[ \t-]+\\(.*\\)")
See also ManMode where “
M-x man -k pattern” does a similar apropos run and display.